Pith Number

pith:ORTK6K6K

pith:2015:ORTK6K6KVWEQLDJEX4ZP3PG4MO

not attested not anchored not stored refs pending

Lipschitz geometry does not determine embedded topological type

Anne Pichon, Walter D. Neumann

arxiv:1506.03841 v2 · 2015-06-11 · math.AG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ORTK6K6KVWEQLDJEX4ZP3PG4MO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:26:02.717420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7466af2bcaad89058d24bf32fdbcdc63859ede1d9f09a86ad2d705358cf83743

Aliases

arxiv: 1506.03841 · arxiv_version: 1506.03841v2 · doi: 10.48550/arxiv.1506.03841 · pith_short_12: ORTK6K6KVWEQ · pith_short_16: ORTK6K6KVWEQLDJE · pith_short_8: ORTK6K6K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ORTK6K6KVWEQLDJEX4ZP3PG4MO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 7466af2bcaad89058d24bf32fdbcdc63859ede1d9f09a86ad2d705358cf83743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67eb637dc4fe1e076e83af513e23f1c9d2c95501df20975f14b1760d7f4cbe08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-06-11T21:15:05Z",
    "title_canon_sha256": "a0a6c8afaa9f8652b28e140b20ea07a30c5bf8a5e806730e629ffdfb3dc724e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.03841",
    "kind": "arxiv",
    "version": 2
  }
}